/* 矩阵画布组件样式 */

.container {
  position: relative;
  border: 2px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  background: #f9f9f9;
}

.canvas {
  display: block;
  cursor: crosshair;
}

.instructions {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(255, 255, 255, 0.9);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 12px;
  color: #666;
}